@Override
public void duplicate() {
Selection sel = canvas.getSelection();
int n = sel.getSelected().size();
List<CanvasObject> select = new ArrayList<CanvasObject>(n);
List<CanvasObject> clones = new ArrayList<CanvasObject>(n);
for (CanvasObject o : sel.getSelected()) {
if (o.canRemove()) {
CanvasObject copy = o.clone();
copy.translate(10, 10);
clones.add(copy);
select.add(copy);
} else {
select.add(o);
}
}
if (!clones.isEmpty()) {
canvas
.getProject()
.doAction(
new SelectionAction(
canvas,
Strings.getter("duplicateSelectionAction"),
null,
clones,
select,
null,
null));
}
}
@Override
public void delete() {
Selection sel = canvas.getSelection();
int n = sel.getSelected().size();
List<CanvasObject> select = new ArrayList<CanvasObject>(n);
List<CanvasObject> remove = new ArrayList<CanvasObject>(n);
Location anchorLocation = null;
Direction anchorFacing = null;
for (CanvasObject o : sel.getSelected()) {
if (o.canRemove()) {
remove.add(o);
} else {
select.add(o);
if (o instanceof AppearanceAnchor) {
AppearanceAnchor anchor = (AppearanceAnchor) o;
anchorLocation = anchor.getLocation();
anchorFacing = anchor.getFacing();
}
}
}
if (!remove.isEmpty()) {
canvas
.getProject()
.doAction(
new SelectionAction(
canvas,
Strings.getter("deleteSelectionAction"),
remove,
null,
select,
anchorLocation,
anchorFacing));
}
}
public void drawSuppressed(android.graphics.Canvas c, CanvasObject shape, Paint p) {
String state = suppressed.get(shape);
if (state.equals(MOVING_HANDLE)) {
shape.paint(c, curHandleGesture, p);
} else if (state.equals(TRANSLATING)) {
c.translate(moveDx, moveDy);
shape.paint(c, null, p);
}
}
@Override
public void paste() {
ClipboardContents clip = Clipboard.get();
Collection<CanvasObject> contents = clip.getElements();
List<CanvasObject> add = new ArrayList<CanvasObject>(contents.size());
for (CanvasObject o : contents) {
add.add(o.clone());
}
if (add.isEmpty()) return;
// find how far we have to translate shapes so that at least one of the
// pasted shapes doesn't match what's already in the model
Collection<CanvasObject> raw = canvas.getModel().getObjectsFromBottom();
MatchingSet<CanvasObject> cur = new MatchingSet<CanvasObject>(raw);
int dx = 0;
while (true) {
// if any shapes in "add" aren't in canvas, we are done
boolean allMatch = true;
for (CanvasObject o : add) {
if (!cur.contains(o)) {
allMatch = false;
break;
}
}
if (!allMatch) break;
// otherwise translate everything by 10 pixels and repeat test
for (CanvasObject o : add) {
o.translate(10, 10);
}
dx += 10;
}
Location anchorLocation = clip.getAnchorLocation();
if (anchorLocation != null && dx != 0) {
anchorLocation = anchorLocation.translate(dx, dx);
}
canvas
.getProject()
.doAction(
new SelectionAction(
canvas,
Strings.getter("pasteClipboardAction"),
null,
add,
add,
anchorLocation,
clip.getAnchorFacing()));
}
@Override
public void mouseReleased(Canvas canvas, MouseEvent e) {
if (active) {
updateMouse(canvas, e.getX(), e.getY(), e.getModifiersEx());
Location start = mouseStart;
Location end = mouseEnd;
CanvasObject add = null;
if (!start.equals(end)) {
active = false;
CanvasModel model = canvas.getModel();
Location[] ends = {start, end};
List<Location> locs = UnmodifiableList.create(ends);
add = attrs.applyTo(new Poly(false, locs));
add.setValue(DrawAttr.PAINT_TYPE, DrawAttr.PAINT_STROKE);
canvas.doAction(new ModelAddAction(model, add));
repaintArea(canvas);
}
canvas.toolGestureComplete(this, add);
}
}
@Override
public void computeEnabled() {
Project proj = canvas.getProject();
Circuit circ = canvas.getCircuit();
Selection sel = canvas.getSelection();
boolean selEmpty = sel.isEmpty();
boolean canChange = proj.getLogisimFile().contains(circ);
boolean clipExists = !Clipboard.isEmpty();
boolean selHasRemovable = false;
for (CanvasObject o : sel.getSelected()) {
if (!(o instanceof AppearanceElement)) {
selHasRemovable = true;
}
}
boolean canRaise;
boolean canLower;
if (!selEmpty && canChange) {
Map<CanvasObject, Integer> zs = ZOrder.getZIndex(sel.getSelected(), canvas.getModel());
int zmin = Integer.MAX_VALUE;
int zmax = Integer.MIN_VALUE;
int count = 0;
for (Map.Entry<CanvasObject, Integer> entry : zs.entrySet()) {
if (!(entry.getKey() instanceof AppearanceElement)) {
count++;
int z = entry.getValue().intValue();
if (z < zmin) zmin = z;
if (z > zmax) zmax = z;
}
}
int maxPoss = AppearanceCanvas.getMaxIndex(canvas.getModel());
if (count > 0 && count <= maxPoss) {
canRaise = zmin <= maxPoss - count;
canLower = zmax >= count;
} else {
canRaise = false;
canLower = false;
}
} else {
canRaise = false;
canLower = false;
}
boolean canAddCtrl = false;
boolean canRemCtrl = false;
Handle handle = sel.getSelectedHandle();
if (handle != null && canChange) {
CanvasObject o = handle.getObject();
canAddCtrl = o.canInsertHandle(handle.getLocation()) != null;
canRemCtrl = o.canDeleteHandle(handle.getLocation()) != null;
}
setEnabled(LogisimMenuBar.CUT, selHasRemovable && canChange);
setEnabled(LogisimMenuBar.COPY, !selEmpty);
setEnabled(LogisimMenuBar.PASTE, canChange && clipExists);
setEnabled(LogisimMenuBar.DELETE, selHasRemovable && canChange);
setEnabled(LogisimMenuBar.DUPLICATE, !selEmpty && canChange);
setEnabled(LogisimMenuBar.SELECT_ALL, true);
setEnabled(LogisimMenuBar.RAISE, canRaise);
setEnabled(LogisimMenuBar.LOWER, canLower);
setEnabled(LogisimMenuBar.RAISE_TOP, canRaise);
setEnabled(LogisimMenuBar.LOWER_BOTTOM, canLower);
setEnabled(LogisimMenuBar.ADD_CONTROL, canAddCtrl);
setEnabled(LogisimMenuBar.REMOVE_CONTROL, canRemCtrl);
}